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We may want to subdivide a device-dax range into multiple devices so
that each can have separate permissions or naming. Reserve 128K of
label space by default so we have the capability of making allocation
decisions persistent. This reservation is not something we can add
later since it would result in the default size of a device-dax range
changing between kernel versions.
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
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Device DAX is the device-centric analogue of Filesystem DAX
(CONFIG_FS_DAX). It allows persistent memory ranges to be allocated and
mapped without need of an intervening file system. This initial
infrastructure arranges for a libnvdimm pfn-device to be represented as
a different device-type so that it can be attached to a driver other
than the pmem driver.
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
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When pn533_recv_frame is called from within abort_command
context the current dev->cmd is not guaranteed to be set.
Additionally on receiving an error status we can omit frame
checking and simply schedule the workqueue.
Signed-off-by: Michael Thalmeier <michael.thalmeier@hale.at>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
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We need to reset the poll modulation list before calling
nfc_targets_found because otherwise userspace could run
before the modulation list is cleared and then get a "Cannot
activate target while polling" error upon calling activate_target.
Signed-off-by: Michael Thalmeier <michael.thalmeier@hale.at>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
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When a command gets aborted the pn533 core does not need any RX
frames that may be received until a new frame is sent.
Signed-off-by: Michael Thalmeier <michael.thalmeier@hale.at>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
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Correctly call nfc_set_parent_dev before nfc_register_device.
Otherwise the driver will OOPS when being removed.
Signed-off-by: Michael Thalmeier <michael.thalmeier@hale.at>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
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The requested irq needs to be freed when removing the driver,
otherwise a following driver load fails to request the irq.
Signed-off-by: Michael Thalmeier <michael.thalmeier@hale.at>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
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When building the exynos-gsc driver with CONFIG_OF disabled, we get
a warning about an out-of-bounds access:
drivers/media/platform/exynos-gsc/gsc-core.c: In function 'gsc_probe':
drivers/media/platform/exynos-gsc/gsc-core.c:1078:34: error: array subscript is above array bounds [-Werror=array-bounds]
This is harmless because the driver will never be used without CONFIG_OF,
but it's better to avoid the warning anyway. Checking the return value
of of_alias_get_id() for an error condition is probably a good idea
anyway, and it makes sure the compiler can verify that we don't get
into that situation.
Fixes: 26a7ed9c1819 ("[media] exynos-gsc: remove an always false condition")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
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The Makefile/Kconfig currently controlling compilation of this code is:
Makefile:acpi-$(CONFIG_ACPI_REDUCED_HARDWARE_ONLY) += evged.o
drivers/acpi/Kconfig:config ACPI_REDUCED_HARDWARE_ONLY
drivers/acpi/Kconfig: bool "Hardware-reduced ACPI support only" if EXPERT
...meaning that it currently is not being built as a module by anyone.
Lets remove the couple traces of modularity so that when reading the
code there is no doubt it is builtin-only.
Since module_platform_driver() uses the same init level priority as
builtin_platform_driver() the init ordering remains unchanged with
this commit.
The file wasn't explicitly including the module.h file but it did
already have init.h so, unlike similar changes, this one has no
header changes at all.
We also delete the MODULE_LICENSE tag since all that information
is already contained at the top of the file in the comments.
Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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intel_pstate_get() contains a local variable that's initialized but
never used and it can be written in fewer lines of code, so clean
it up.
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Acked-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
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After the clk change support, the ssi omap ssi core driver
now calls into the port driver to change fclk. This function
was previously inside of an #ifdef, because it was only used
when CONFIG_PM is enabled. Now it also gets used without
power management support:
drivers/hsi/built-in.o: In function `ssi_clk_event':
omap_ssi_port.c:(.text+0x1bf8): undefined reference to `omap_ssi_port_update_fclk'
This moves the function outside of the CONFIG_PM guard.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Fixes: 4bcf7414528a ("HSI: omap-ssi: add clk change support")
Signed-off-by: Sebastian Reichel <sre@kernel.org>
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The driver now uses some pinctrl functions, but fails
to build if PINCTRL is disabled because the respective
header files are only included indirectly:
drivers/hsi/controllers/omap_ssi_core.c: In function 'ssi_clk_event':
drivers/hsi/controllers/omap_ssi_core.c:317:4: error: implicit declaration of function 'pinctrl_pm_select_idle_state' [-Werror=implicit-function-declaration]
drivers/hsi/controllers/omap_ssi_core.c:339:4: error: implicit declaration of function 'pinctrl_pm_select_default_state' [-Werror=implicit-function-declaration]
drivers/hsi/controllers/omap_ssi_port.c: In function 'ssi_flush':
drivers/hsi/controllers/omap_ssi_port.c:520:2: error: implicit declaration of function 'pinctrl_pm_select_idle_state' [-Werror=implicit-function-declaration]
This includes the headers from the files that call the functions,
which works even if pinctrl is turned off.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Fixes: 4bcf7414528a ("HSI: omap-ssi: add clk change support")
Signed-off-by: Sebastian Reichel <sre@kernel.org>
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Enabling the omap ssi driver without COMMON_CLK results in a build failure:
drivers/hsi/controllers/omap_ssi_core.c: In function 'ssi_clk_event':
drivers/hsi/controllers/omap_ssi_core.c:304:7: error: 'PRE_RATE_CHANGE' undeclared (first use in this function)
This adds a Kconfig dependency to avoid the invalid configuration.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Fixes: 4bcf7414528a ("HSI: omap-ssi: add clk change support")
Signed-off-by: Sebastian Reichel <sre@kernel.org>
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In netdevice.h we removed the structure in net-next that is being
changes in 'net'. In macsec.c and rtnetlink.c we have overlaps
between fixes in 'net' and the u64 attribute changes in 'net-next'.
The mlx5 conflicts have to do with vxlan support dependencies.
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6
Pull crypto fixes from Herbert Xu:
"This fixes the following issues:
- bug in ahash SG list walking that may lead to crashes
- resource leak in qat
- missing RSA dependency that causes it to fail"
* 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6:
crypto: rsa - select crypto mgr dependency
crypto: hash - Fix page length clamping in hash walk
crypto: qat - fix adf_ctl_drv.c:undefined reference to adf_init_pf_wq
crypto: qat - fix invalid pf2vf_resp_wq logic
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Pull networking fixes from David Miller:
1) Check klogctl failure correctly, from Colin Ian King.
2) Prevent OOM when under memory pressure in flowcache, from Steffen
Klassert.
3) Fix info leak in llc and rtnetlink ifmap code, from Kangjie Lu.
4) Memory barrier and multicast handling fixes in bnxt_en, from Michael
Chan.
5) Endianness bug in mlx5, from Daniel Jurgens.
6) Fix disconnect handling in VSOCK, from Ian Campbell.
7) Fix locking of netdev list walking in get_bridge_ifindices(), from
Nikolay Aleksandrov.
8) Bridge multicast MLD parser can look at wrong packet offsets, fix
from Linus Lüssing.
9) Fix chip hang in qede driver, from Sudarsana Reddy Kalluru.
10) Fix missing setting of encapsulation before inner handling completes
in udp_offload code, from Jarno Rajahalme.
11) Missing rollbacks during LAG join and flood configuration failures
in mlxsw driver, from Ido Schimmel.
12) Fix error code checks in netxen driver, from Dan Carpenter.
13) Fix key size in new macsec driver, from Sabrina Dubroca.
14) Fix mlx5/VXLAN dependencies, from Arnd Bergmann.
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (29 commits)
net/mlx5e: make VXLAN support conditional
Revert "net/mlx5: Kconfig: Fix MLX5_EN/VXLAN build issue"
macsec: key identifier is 128 bits, not 64
Documentation/networking: more accurate LCO explanation
macvtap: segmented packet is consumed
tools: bpf_jit_disasm: check for klogctl failure
qede: uninitialized variable in qede_start_xmit()
netxen: netxen_rom_fast_read() doesn't return -1
netxen: reversed condition in netxen_nic_set_link_parameters()
netxen: fix error handling in netxen_get_flash_block()
mlxsw: spectrum: Add missing rollback in flood configuration
mlxsw: spectrum: Fix rollback order in LAG join failure
udp_offload: Set encapsulation before inner completes.
udp_tunnel: Remove redundant udp_tunnel_gro_complete().
qede: prevent chip hang when increasing channels
net: ipv6: tcp reset, icmp need to consider L3 domain
bridge: fix igmp / mld query parsing
net: bridge: fix old ioctl unlocked net device walk
VSOCK: do not disconnect socket when peer has shutdown SEND only
net/mlx4_en: Fix endianness bug in IPV6 csum calculation
...
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- remove homegrown instances counting.
- take F3 PCI device from amd_nb caching instead of F2 which was used with the
PCI core.
With those changes, the driver doesn't need to register a PCI driver and
relies on the northbridges caching which we do anyway on AMD.
Signed-off-by: Borislav Petkov <bp@suse.de>
Cc: Yazen Ghannam <yazen.ghannam@amd.com>
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Now that all drivers support the same set of functions and the same
setup code, drop every model-specific DSA switch driver and replace them
with a common mv88e6xxx driver.
This merges the info tables into one, removes the function exports, the
model-specific files, and update the defconfigs.
Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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6131 is the only driver to set the tag protocol to DSA_TAG_PROTO_DSA.
Since it works fine with DSA_TAG_PROTO_EDSA, change its value, like all
other mv88e6xxx drivers.
Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Provide a shared mv88e6xxx_setup function to the drivers.
Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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6131 is the only driver which setups the priority of IGMP/MLD snoop
frames and ARP frames to the highest setting. Drop such change until we
figure out a common configuration for all switch models.
Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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All switch models setup the GLOBAL_CONTROL_2 register with slightly
differences.
Since the cascade mode is valid even in a single chip setup, factorize
such configuration.
Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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All switch drivers configure the GLOBAL_MONITOR_CONTROL register with
slightly changes.
Assume the setup of the upstream port, and configure it as the port to
which ingress and egress and ARP monitor frames are to be sent.
Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The 6131 switch models have a Core Tag Type register. Their setup code
is setting it to 0x8100, which is the reset default.
Drop this specific part which is correctly configured on reset anyway.
Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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All switch models configure the GLOBAL_CONTROL register with slightly
differences.
Discarding packets with excessive collisions
(GLOBAL_CONTROL_DISCARD_EXCESS) is specific to 6352 and similar
switches, and setting a maximum frame size
(GLOBAL_CONTROL_MAX_FRAME_1632) is specific to 6185 and similar
switches.
As we are centralizing the chips setup, skip these settings and don't
discard any frames yet, until we found out that such discarding by the
hardware is necessary.
Assume a common setup to enable the PHY Polling Unit if present, don't
discard any packets, and mask all interrupt sources.
Tested on 88E6352 and 88E6185.
Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Every driver is calling mv88e6xxx_setup_global after
mv88e6xxx_setup_common. Call the former in the latter.
Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add a MV88E6XXX_FLAG_PPU_ACTIVE flag to describe how to reset the
switch, and merge the reset call to the common setup code.
Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add a MV88E6XXX_FLAG_ATU flag to identify switch models with an Address
Translation Unit.
Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add a MV88E6XXX_FLAG_VTU flag to indentify switch models with a VLAN
Table Unit.
Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add MV88E6XXX_FLAG_PORTSTATE and MV88E6XXX_FLAG_VLANTABLE flags to
identify switch models with required 802.1D operations.
Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Only 6131 was not supporting the port registers access yet. Assume such
support and use the unlock access routines in the meantime.
Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add a MV88E6XXX_FLAG_EEE flag to describe switch models featuring Energy
Efficient Ethernet. Use it to conditionally support such access in the
common code.
Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Some switch models have a dedicated register for Switch MAC/WoF/WoL.
This register, when present, is used to indirectly set the switch MAC
address, instead of a direct write to 3 global registers.
Identify this feature and share a common mv88e6xxx_set_addr function.
Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add MV88E6XXX_FLAG_TEMP and MV88E6XXX_FLAG_TEMP_LIMIT flags to describe
switch models featuring a temperature access. Use them to centralize the
access to the temperature feature.
Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add a MV88E6XXX_FLAG_EEPROM flag to describe switch models featuring an
EEPROM and distribute the EEPROM access routines to all models.
Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Some switch has dedicated SMI PHY Command and Data registers, used to
indirectly access the PHYs, instead of direct access.
Identify these switch models and make mv88e6xxx_phy_{read,write} generic
enough to support every models.
Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add a MV88E6XXX_FLAG_PPU flag to describe switch models with a PHY
Polling Unit. This allows to merge PPU specific PHY access code in the
share code.
Make the mv88e6xxx_ppu_disable and mv88e6xxx_phy_{read,write}_ppu
functions use unlocked register accesses in order to call them in
mv88e6xxx_phy_{read,write} in a locked context.
Since the PPU code is shared, also remove NET_DSA_MV88E6XXX_NEED_PPU.
Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add a flags bitmap to the info structure in order to identify features
supported or not by the different switch models.
Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Since commit cd6cfd7311a385144a2f9c74f692ae2df3ae033f
"ath9k: do not set half/quarter channel flags in AR_PHY_MODE" the
condition "rfMode & (AR_PHY_MODE_QUARTER | AR_PHY_MODE_HALF)" would
never evaluate to true.
Fix this by using the available IS_CHAN_HALF_RATE and IS_CHAN_QUARTER_RATE
marcros instead.
Signed-off-by: Helmut Schaa <helmut.schaa@googlemail.com>
Cc: Felix Fietkau <nbd@openwrt.org>
Acked-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
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USB_PID_DIBCOM_STK8096GP also comes with USB_VID_DIBCOM vendor ID.
Signed-off-by: Alejandro Torrado <aletorrado@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
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There's no need to keep the same for loop twice in the code.
Move the txpower cap before the loop to reduce code complexity.
Signed-off-by: Helmut Schaa <helmut.schaa@googlemail.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
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Since ATH9K_TX99 depends on ATH9K_DEBUGFS anyway move it there
such that "make menuconfig" will indent TX99 support below ath9k
debugging.
Signed-off-by: Helmut Schaa <helmut.schaa@googlemail.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
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The same functionality as ar9003_hw_tx_power_regwrite is hardcoded in
ar9003_hw_tx99_set_txpower. Just reuse the existing ar9003_hw_tx_power_regwrite
for TX99 setup too.
Signed-off-by: Helmut Schaa <helmut.schaa@googlemail.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
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The tvp5150_write() function can fail so don't return 0 unconditionally
in tvp5150_s_register() but propagate what's returned by tvp5150_write().
Signed-off-by: Javier Martinez Canillas <javier@osg.samsung.com>
Acked-by: Lad, Prabhakar <prabhakar.csengg@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
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The tvp5150_write() function calls i2c_smbus_write_byte_data() that
can fail but does not propagate the error to the caller. Instead it
just prints a debug, so callers can't know if the operation failed.
So change the function to return the error code to the caller so it
knows that the write failed and also print an error instead of just
printing a debug information.
While being there remove the inline keyword from tvp5150_write() to
make it consistent with tvp5150_read() and also because it's called
in a lot of places, so making inline is in fact counter productive
since it makes the kernel image size to be much bigger (~16 KiB).
Signed-off-by: Javier Martinez Canillas <javier@osg.samsung.com>
Acked-by: Lad, Prabhakar <prabhakar.csengg@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
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'ppc/pamu', 'core' and 'x86/amd' into next
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Now that we can accurately reflect the context format we choose for each
domain, do that instead of imposing the global lowest-common-denominator
restriction and potentially ending up with nothing. We currently have a
strict 1:1 correspondence between domains and context banks, so we don't
need to entertain the possibility of multiple formats _within_ a domain.
Signed-off-by: Will Deacon <will.deacon@arm.com>
[rm: split from original patch, added SMMUv3]
Signed-off-by: Robin Murphy <robin.murphy@arm.com>
Signed-off-by: Joerg Roedel <jroedel@suse.de>
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Hauppauge WinTV-dualHD is a USB 2.0 dual DVB-T/T2/C tuner with
following components:
USB bridge: Empia EM28274 (chip id is the same as EM28174)
Demodulator: 2x Silicon Labs Si2168-B40
Tuner: 2x Silicon Labs Si2157-A30
This patch adds support only for the first tuner.
The demodulator needs firmware, available for example here:
http://palosaari.fi/linux/v4l-dvb/firmware/Si2168/Si2168-B40/4.0.11/
The demodulators sit on the same I2C bus and their addresses
are 0x64 and 0x67. The tuners are behind the demodulators and
their addresses are 0x60 and 0x63.
Signed-off-by: Olli Salonen <olli.salonen@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
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Byte 69 bits 0:1 in the IDENTIFY DEVICE data indicate a
host-aware ZAC device.
Host-managed ZAC devices have their own individual signature,
and to not set the bits in the IDENTIFY DEVICE data.
And whenever we detect a ZAC-compatible device we should
be displaying the zoned block characteristics VPD page.
Signed-off-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: Tejun Heo <tj@kernel.org>
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Device-managed ZAC devices just set the zoned capabilities field
in INQUIRY byte 69 (cf ACS-4). This corresponds to the 'zoned'
field in the block device characteristics VPD page.
As this is only defined in SPC-5/SBC-4 we also need to update
the supported SCSI version descriptor.
Reviewed-by: Shaun Tancheff <shaun.tancheff@seagate.com>
Tested-by: Shaun Tancheff <shaun.tancheff@seagate.com>
Signed-off-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: Tejun Heo <tj@kernel.org>
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